gantry angle definition
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- Couch and Gantry are angles that define how radiation therapy beams impinge the subject. See Sources and related links below.
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Introduction to trigonometry Introduction to trigonometry. As you see, the word itself refers to three angles - a reference to triangles. Trigonometry is primarily a branch of mathematics that deals with triangles, mostly right triangles. In particular the ratios and relationships between the triangle's sides and angles. It has two main ways of being used:
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- if #x<90#, the terminal side is in the first quadrant, the reference angle is the acute angle formed counterclockwise from the x-axis to that terminal side. If # 90< x<180#, the terminal side is in the second quadrant, the reference angle is equal to #180-x#.
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- Coterminal Angles. Coterminal angles are angles in coordinate plane that result out of rotation of the terminal side of angles in standard position. The angle in standard position has the vertex at the origin and one ray on the positive x-axis, which is called the initial side of the angle.
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Judet view Judet view. Pronunciation: zhu-da'. Definition: view consisting of two oblique radiographic projections centered on the hip in question, tilted 45° medially or laterally from a true anteroposterior direction; useful for fractures or deformities of the acetabulum.
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Bearing (navigation) 1 In aircraft navigation, an angle is normally measured from the aircraft's track or heading, in a clockwise direction. 2  If the aircraft encounters a target that is not ahead of the aircraft and not on an identical track, then the angular bearing to that target is called a relative bearing. An informal method of measuring a relative bearing is by using the 'clock method'. 2  In this method, the direction a vessel, aircraft or object is measured as if a clock face is laid over the vessel or aircraft, with the number twelve pointing forward.
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Coterminal Angles Positive and Negative Coterminal Angles. While a positive angle is the measure of the rotation of its terminal side from positive x axis in anti clockwise direction, a negative angle is the measure of the rotation of the terminal side in the clockwise direction.
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Basic Trigonometry The word  trigonometry  means 'triangle measurement'. Trigonometry is an important tool for evaluating measurements of height and distance. It plays an important role in surveying, navigation, engineering, astronomy and many other branches of physical science.
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- Angles of elevation or inclination are angles above the horizontal, like looking up from ground level toward the top of a flagpole. Angles of depression or declination are angles below the horizontal, like looking down from your window to the base of the building in the next lot. Whenever you have one of these angles, you should immediately start picturing how a right triangle will fit into the description.
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- Alignment Optical Telescope, which is basically just a sighting scope, with no magnification and a 60-degree field-of-view. The AOT is ceiling-mounted above the forward instrument panels and can be seen in Apollo 12 training photo KSC-69PC-0594. There are six fixed viewing directions (the detents).
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angle n (astronomy) the angle between the plane of the orbit and the plane of the ecliptic stated in degrees. the space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians.
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Gantry crane A ZPMC gantry crane used for construction of the British aircraft carrier HMS Queen Elizabeth. Gantry cranes are a type of crane built atop a gantry, which is a structure used to straddle an object or workspace. Gantry cranes for marine application are imposing, multi-story structures prominent at most container terminals, used to load intermodal containers on and off container ships.
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welding terms brown book An angle less than 90 degrees between a line perpendicular to the major work piece surface and a place determined by the electrode axis and the weld axis. In a T-joint or corner joint, the line is perpendicular to the non -butting member. The definition o work angle for a pipe weld is covered in a later modul.
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TILT ANGLE • TILT ANGLE (noun). The noun TILT ANGLE has 1 sense: 1. the angle a rocket makes with the vertical as it curves along its trajectory. Familiarity information: TILT ANGLE used as a noun is very rare.
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- Angle of elevation is the angle formed by the line of sight of an observer with the horizontal while he is viewing an object upward. The angle of elevation is a degree measure indicating the gradient of the line of sight. As this angle can be measured using devices, this measure can be used to determine large heights and long distances, which are impractical to physically measure.
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SAI and the Included Angle SAI and the Included Angle. The (SAI) Steering Axis Inclination angle is created and measured in degrees. It runs from the lower ball joint through the upper ball joint, or on most front wheel vehicles, through the center of the strut mount. The illustration uses ball joints to represent the angle.
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Global Area Network (GAN) Global Area Network (GAN) Definition - What does Global Area Network (GAN) mean? A global area network (GAN) refers to a network composed of different interconnected networks that cover an unlimited geographical area. The term is loosely synonymous with Internet, which is considered a global area network.
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inclination inclination. in astronomy, the angle of intersection between two planes, one of which is an orbital plane. The inclination of the plane of the moon's orbit is 5°9' with respect to the plane of the ecliptic (the plane of the earth's orbit around the sun).
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wind the measurement of wind speed and direction, often by an anemometrograph. — anemometric, anemometrical, adj.
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Critical angle Critical angle: Critical angle,, in optics, the greatest angle at which a ray of light, travelling in one transparent medium, can strike the boundary between that medium and a second of
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Face Angle (Golf Terminology) Updated April 05, 2017. Face angle refers to the position of a golf club's clubface relative to the target line. Face angle is measured in degrees and that measurement can often be found on manufacturers' websites when they list the specs (or specifications) of their clubs. It is also known as clubface angle..
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How do I tell if my ex has installed spyware on my machine? Hit your computer with a hammer so it doesn't work anymore... and GO BUY A NEW ONE. Then, YOU be the first person to add a spyware program and you'll be able to see if anyone installs anything on it trying to spy on you.... Russell June 1, 2009 2:25 PM. My girlfriend seems to have the same issues with her ex.with what is written above.ome computer technicians do not want to even get involved because they have told me that they do not want to be involved in a court case. I just need direction on where I should start or where I might find someone to investigate my computer and see if they can find any trace of him doing this.
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- 1 A reference angle is the acute version of any angle determined by repeatedly subtracting or adding straight angle (1/2 turn, 180°, or π radians), to the results as necessary, until the magnitude of result is an acute angle, a value between 0 and 1/4 turn, 90°, or π/2 radians.
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- Noun [edit]. plane angle ‎(plural plane angles). ( 1 geometry) An angle formed by two intersecting straight lines. ( 2 geometry) An angle formed by two intersecting planes, measured by the angle between two intersecting straight lines that are in respective planes and perpendicular to the intersection of the planes. (geometry) An angle formed by two intersecting straight lines. ( 2 geometry) An angle formed by two intersecting planes, measured by the angle between two intersecting straight lines that are in respective planes and perpendicular to the intersection of the planes.
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What is a sextant? A sextant is an instrument used to measure the angle between two visible objects. It is primarily used as a navigational instrument to determine the elevation of a celestial body above the horizon thereby allowing the observer to calculate a line of position (LOP) on the surface of the earth.
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"What Is the Definition of ""plane Trigonometry""?" Plane trigonometry is a branch of mathematics that focuses on the relationship between the sides and angles of a triangle. Plane trigonometry builds upon the basic concepts of Euclidean geometry, and it has applications in a variety of mathematical fields, from physics to advanced calculus. Keep Learning.